7212118
Description
Quiz by Jack Alkema, updated more than 1 year ago
|
Created by Jack Alkema
about 8 years ago
|
|
Question 1
Question
When cells are grown in a laboratory, which of the following is a factor that can stop normal cells from dividing?
Answer
-
a cut in the skin
-
contact with other cells
-
growth factors
-
injection of cyclin
Question 2
Question
In eukaryotic cells, the timing of the cell cycle is regulated by
Answer
-
cyclins
-
centrioles
-
spindle fibers
-
the nuclear envelope
Question 3
Question
Cyclins are a family of closely related proteins that
Answer
-
produce p53.
-
cause cancer.
-
work to heal wounds.
-
regulate the cell cycle.
Question 4
Question
Which of the following are external regulators of the cell cycle?
Answer
-
cancer cells
-
cyclins
-
growth factors
-
mitotic spindles
Question 5
Question
Cancer is a disorder in which some cells have lost the ability to control their
Answer
-
surface area
-
size
-
spindle fibers
-
growth rate
Question 6
Question
Cancer cells form masses of cells called
Answer
-
tumors
-
cyclins
-
growth factors
-
p53
Question 7
Question
A cell with a defective p53 gene is likely to
Answer
-
generate hormones that combat tumors.
-
stop responding to growth regulators.
-
produce cells without a defective p53 gene.
-
stop dividing to produce daughter cells.
Question 8
Question
During early development, all cells in the embryo of a multicellular organism are identical. Later on in development, the cells will become specialized through a process called
Answer
-
differentiation
-
cytokinesis
-
apoptosis
-
interphase
Question 9
Question
Why are stem cells important?
Answer
-
They have the potential to undergo cell division.
-
They have specialized DNA.
-
They have the potential to develop into other cell types.
-
They are incapable of becoming cancer cells.
Question 10
Question
Which of the following is a possible future benefit of stem cell research?
Answer
-
increasing a person’s intelligence quotient
-
generating embryos from nonliving tissue
-
developing a vaccine for cancer
-
reversing damage from a heart attack
Question 11
Question
Nerve cells are cells that have not yet undergone differentiation.
Answer
- True
- False
Question 12
Question
Stem cells taken from embryos are totipotent.
Answer
- True
- False
Question 13
Question
During normal development, the cells between toes and fingers die by [blank_start]____________________[blank_end], a process of programmed cell death.
Answer
-
Apoptosis
Question 14
Question
Harvesting [blank_start]____________________[blank_end] stem cells from a willing donor is not as controversial as harvesting techniques that involve the destruction of an embryo.
Answer
-
adult
Question 15
Answer
-
A
-
B
Question 16
Question
Which diagram has a defected p53 gene?
Answer
-
A
-
B
Question 17
Question
How can the cancer cells be treated?
Answer
-
Chemotherapy
-
Radiation
-
Surgically removing the tumor
-
All of the above
Want to create your own Quizzes for free with GoConqr? Learn more.